#1F169F#1F169F

#1F169F is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.5% C 0.202 H 271.2°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#1F169F
RGB	rgb(31, 22, 159)
HSL	hsl(244, 76%, 35%)
HSV	hsv(244, 86%, 62%)
CMYK	cmyk(80.5%, 86.2%, 0%, 37.6%)
CIE-LAB	lab(21.46, 49.19, -69.85)
CIE-LCH	lch(21.46, 85.44, 305.15°)
OKLab	oklab(34.48% 0.0043 -0.2021)
OKLCH	oklch(34.48% 0.202 271.2)
XYZ	xyz(7.1079, 3.3675, 33.0696)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F169F #969F16

analogous

#16519F #1F169F #64169F

triadic

#1F169F #9F1F16 #169F1F

tetradic

#1F169F #9F1651 #969F16 #169F64

square

#1F169F #9F1651 #969F16 #169F64

split-complementary

#1F169F #9F6416 #519F16

monochromatic

#0A0733 #150F69 #1F169F #291DD5 #544AE6

Accessibility & contrast

On white

12.55

#1F169F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1F169F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F169F

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F169F	#FFFFFF	#000000	##FFFFFF
##1F169F	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA3

Deuteranopia (green-blind)

#002C9D

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f169f;
/* rgb */ color: rgb(31, 22, 159);
/* oklch */ color: oklch(34.5% 0.202 271.2);

Tailwind

colors: {
  custom: {
    50: '#7559bd',
    500: '#1f169f',
    950: '#000000',
  },
}

SCSS

$custom: #1f169f;
$custom-light: #7559bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f169f",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 159
  },
  "hsl": {
    "h": 243.942,
    "s": 75.691,
    "l": 35.49
  },
  "oklch": {
    "l": 0.34481,
    "c": 0.20211,
    "h": 271.2
  },
  "luminance": 0.03368
}

Semantic roles & 50–950 ramp

primary

#1F169F

secondary

#BFC74A

accent

#F236E6

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1F169F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →